def cry():
    print("小猫，喵喵叫...")


cry()


def cal01():
    return sum(range(1, 1001))


print(f"1000 总和为：{cal01()}")


def cal02(n):
    return sum(range(1, n + 1))


print(f"total = {cal02(10)}")


def get_sum(n1, n2):
    return n1 + n2


print(f"n1 + n2 = {get_sum(1, 3)}")
